HELLO

So currently you are a student of diploma engineering in mechanical engineering. If you have financial limitations in the future it is advised that you take up a job to support your family/yourself. But if you are able to study further, take up a masters degree in the same, it will help you widen your knowledge in the domain and also increase the payroll automatically. You can also pursue masters in the same after working at a private company for a while, it will add experience of a few years on your resume and will be highly beneficial for you. ALL THE BEST!